-------------------------------
* Add support for facetted searches.
[witsch]
* Update code to comply to PEP8 style guide lines.
[witsch]
* Expose additional information provided by Solr - for example about headers
and search facets.
[witsch]
* Handle edge cases like invalid range queries by quoting
[tesdal]
* Parse and quote the query to filter invalid query syntax.
[tesdal]
* In solrSearchResults, if the passed in request is a dict, look up
request to enable adaptation into PloneFlare.
[tesdal]
* Added support for objects with a 'query' attribute as search values.
[tmog]